Power supply device



FIG. 1 is a perspective view of a power supply device;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is an enlarged top plan view thereof;

FIG. 8 is an enlarged bottom plan view thereof; and,

FIG. 9 is an enlarged view of area 9 circumscribed in FIG. 2 .

The broken lines consisting of evenly spaced dash lines in the drawingdepict portions of the power supply device that form no part of theclaimed design. The broken lines consisting of short and long dash linesencircling the enlarged detail views are for annotative purposes thatform no part of the claimed design.

CLAIM The ornamental design for the power supply device, as shown anddescribed.